Reference for Bava Kamma 215:11

תא שמע דאמר רבא (ויקרא ה, כד) וחמישיתו יוסיף עליו התורה ריבתה חמישיות הרבה לקרן אחת שמע מינה:

R. Papa asked: What would be the law regarding two Fifths and two double payments in the case of one man? What are the circumstances? E.g., where the bailee first pleaded in his defence loss and after confirming it by an oath confessed [it to have been perjury],<span class="x" onmousemove="('comment',' V. p. 628, n. 7. ');"><sup>9</sup></span>